psoriasis vulgaris. psoriasis guttata. general view: several, chronically inpatient, on the back disseminated, partly confluent, erythematous, silvery scaly papules and plaques of a 6-year-old boy. the skin changes had been conspicuous for the first time 6 months ago.
Eczema atopic (overview): severe, universal (erythrodermic) atopic eczema. exacerbation phase since about 3 months. patient with rhinitis and conjunctivitis with pollinosis. total IgE >1.000IU.
Lupus erythematosus, subacute-cutaneous. Within a few months developing, light-emphasized exanthema with multi-forms and large plaques. No feeling of illness. High titre SSA-Ac.
contact dermatitis toxic: 41-year-old female patient who noticed these painful striated red plaques after accidental contact with a corrosive fluid. the configuration of the efflorescences is evidence of an exogenous mechanism. the "unphysiological" stripe pattern completely excludes endogenous triggering.
Psoriais pustulosa generalisata: pustular exanthema that develops within a few weeks in patients with known psoriasis; the figure shows a state already in the process of healing with a racy flake detachment
Nummular Dermatitis: General view: For about 6-7 years persistent, strongly itching, solitary or confluent, coin-sized, infiltrated papules and plaques on the back of a 75-year-old female patient; in some cases small, dot-shaped, white, disseminated, atrophic scars are visible.
Tungiasis: Unusual extensive skin finding 4 weeks after bathing holiday in south-east asia in a 34-year-old woman. first itchy nodules 2-3 days after visiting the beach. continuous increase of clinical symptoms accompanied by severe itching. extensive finding of severely itching, disseminated, streaked papules on the back, both shoulders and the extensor sides of the arms (accidental contact with the surface of the ground).
Pemphigus erythematosus: since about 1 year recurrent, symmetrical, red, rough plaques with coarse lamellar scales and crusts, localized in the seborrheic areas; little itching.
Bowen, M.: solitary plaque, progressive in size, occasionally accompanied by itching, measuring 1 x 7 cm, sharply and arching, border-emphasized plaque, on the right lumbar side in a 74-year-old woman; a reddish, partly scaly aspect and central fading are impressive.
Parapsorisis en petites plaques: completely symptom-free red (hardly palpable), slightly scaly plaques; recurrent course for years; improvement in the summer months or under UV therapy.
psoriasis guttata. small, exanthematic form of psoriasis after streptococcal infection. only slight scaling (due to pre-treatment). note the indicated linear patterns (koebner phenomenon). the auspitz phenomenon (finest punctiform bleeding after removal of the uppermost scaly layer with a wooden spatula) can still be triggered even in these pre-treated lesions and is therefore an excellent diagnostic sign (best triggered in the small papules).
Dermatitis, seborrhoeic: 62-year-old patient with a negative family history of psoriasis. recurrent HV on the trunk for years. no itching. multiple, chronically inpatient, figured, borderline, sometimes itchy, moderately scaly, clearly borderline hardly elevated plaques.
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